gr::fxpt Class Reference

fixed point sine and cosine and friends.fixed pt radians

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-2**31 -pi 0 0 2**31-1 pi - epsilon More...

#include <gnuradio/fxpt.h>

Static Public Member Functions
static int32_t	float_to_fixed (float x)
static float	fixed_to_float (int32_t x)
static float	sin (int32_t x)
	Given a fixed point angle x, return float sine (x) More...
static float	cos (int32_t x)
static void	sincos (int32_t x, float *s, float *c)

Detailed Description

fixed point sine and cosine and friends.

fixed pt radians

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-2**31 -pi 0 0 2**31-1 pi - epsilon

Member Function Documentation

cos()

static float gr::fxpt::cos ( int32_t  x )

inlinestatic

Referenced by gr::fxpt_vco::cos(), gr::fxpt_nco::cos(), gr::fxpt_vco::sincos(), and gr::fxpt_nco::sincos().

fixed_to_float()

static float gr::fxpt::fixed_to_float ( int32_t  x )

inlinestatic

Referenced by gr::fxpt_nco::get_freq(), gr::fxpt_vco::get_phase(), and gr::fxpt_nco::get_phase().

float_to_fixed()

static int32_t gr::fxpt::float_to_fixed ( float  x )

inlinestatic

Referenced by gr::fxpt_nco::adjust_freq(), gr::fxpt_vco::adjust_phase(), gr::fxpt_nco::adjust_phase(), gr::fxpt_nco::set_freq(), gr::fxpt_vco::set_phase(), and gr::fxpt_nco::set_phase().

sin()

static float gr::fxpt::sin ( int32_t  x )

inlinestatic

Given a fixed point angle x, return float sine (x)

Referenced by gr::fxpt_vco::sin(), gr::fxpt_nco::sin(), gr::fxpt_vco::sincos(), and gr::fxpt_nco::sincos().

sincos()

static void gr::fxpt::sincos ( int32_t  x, float *  s, float *  c  )

inlinestatic

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The documentation for this class was generated from the following file:

• fxpt.h